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THE TONESPOTTER™
ton'spot'ter n. a 12" British speaker with warm, smooth tone, once lost but not forgotten
Coloration : Very smooth and warm with a fat bottom end and highs that cut through the mix. Warm and thick overtones
Genre : Authentic British flavor, well suited for Blues and Classic Rock
SPECIFICATION - Nominal Basket Diameter 12“, 304.8mm
- Nominal Impedance* 8 ohms
- Power Rating** Watts 75W / Music Program N/A
- Resonance 88Hz
- Usable Frequency Range*** 70Hz-5.5kHz
- Sensitivity 100.7
- Magnet Weight 38 oz.
- Gap Height 0.312“, 7.92mm
- Voice Coil Diameter 1.75“, 44.5mm
THIELE & Small Parameters - Resonant Frequency (fs) 88Hz
- DC Resistance (Re) 6.76
- Coil Inductance (Le) 0.47mH
- Mechanical Q (Qms) 10.04
- Electromagnetic Q (Qes) 0.73
- Total Q (Qts) 0.68
- Compliance Equivalent Volume (Vas) 39.7 liters / 1.4 cu. ft.
- Peak Diaphragm Displacement Volume (Vd) 64cc
- Mechanical Compliance of Suspension (Cms) 0.10mm/N
- BL Product (BL) 12.7 T-M
- Diaphragm Mass inc. Airload (Mms) 32 grams
- Efficiency Bandwidth Product (EBP) 120
- Maximum Linear Excursion (Xmax) 1.2mm
- Surface Area of Cone (Sd) 519.5 cm2
- Maximum Mechanical Limit (Xlim) N/A
MOUNTING Information - Recommended Enclosure Volume
Sealed Acceptable
Vented Acceptable - Overall Diameter 12.02“, 305.3mm
- Baffle Hole Diameter 10.97“, 278.6mm
- Front Sealing Gasket fitted as standard
- Rear Sealing Gasket fitted as standard
- Mounting Holes Diameter 0.25“, 6.4mm
- Mounting Holes B.C.D. 11.63“, 295.4mm
- Depth 5.1“, 130mm
- Net Weight 8 lbs., 3.6 kg
- Shipping Weight 9.8 lbs., 4.5 kg
MATERIALS of Construction - Copper voice coil
- Paper former
- Ferrite magnet
- Non-vented core
- Pressed steel basket
- Paper Cone
- Paper cone edge
- Zurette dust cap
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KAPPA PRO-12A Professional SeriesRecommended for professional audio in a vented mid-bass, and vented bass enclosure incorporating a high-pass filter.
Product type
Loudspeaker Chassis
Nominal Diameter
304.8 mm
Overall diameter
314.5 mm
Pitch Circle Diameter
293.8 mm
Cut- out Measurement
281.1 mm
Diameter of fixing holes
6.5 mm
Nominal Impedance
8 Ohm(s)
Nominal Load Capacity
500 W
maximum rated load
1000 W
Sensitivity (1 W / 1 m)
97.1 dB
Frequency response
57 - 2800 Hz
Voice Coil Material
copper
Depth of the magnetic gap
9.53 mm
Fs (Resonance Frequency)
37 Hz
Re (DC resistance)
5.46 Ohm(s)
Qms (mechanical quality)
6.93
Le (inductance of the voice coil)
1.22 mH
Qes (electrical quality)
0.25
Qts (overall quality)
0.24
Vas (equivalent volume)
121
BL (power factor)
17.3 T/m
Xmax (maximum displacement)
4.8 mm
Cms (elasticity of the suspension)
0.32 mm/N
Sd (membrane area)
519.5 cm²
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| 400 W continuous program power capacity |
| | 70° nominal coverage |
| | 60 – 18000 Hz response |
| | 96 dB sensitivity |
| | Single Neodymium magnet assembly |
| | XO-6 dedicated crossover network |
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| 1400 W continuous program power capacity |
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| 100 mm (4 in) copper voice coil |
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| 45 – 1000 Hz response |
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| 93 dB sensitivity |
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| Double silicone spider with optimized compliance |
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For use in 2-way or compact 3-way systems, the 1225 bass and mid range driver has a high sensitivity and excellent power handling characteristics.
General specifications | Nominal diameter (mm/in) | 305/12 | | Power Rating (AES, W rms) | 250 | | Nominal impedance (Ω) | 8 | | Voice coil diameter (mm/in) | 63.5/2.5 | | Magnet type | Ceramic | | Magnet weight (kg/oz) | 1.2/42 | | Chassis type | Pressed steel | | Sensitivity (dB) | 97 | | Frequency range (Hz) | 40-4000 | | Coil material | Round copper | | Former material | Polyimide | | Cone material | Kevlar loaded paper | | Surround material | Cloth-sealed | | Suspension | Single | | Xmax (mm/in) | 2.4/0.09 | | Gap depth (mm/in) | 8.0/0.31 | | Voice coil winding width (mm/in) | 12.7/0.50 | Small Signal Parameters | D (m/in) | 0.26/10.24 | | Fs (Hz) | 63 | | Mmd (g/oz) | 39.60/1.40 | | Mair | | | Qms | 6.70 | | Qes | 0.54 | | Qts | 0.50 | | Re (Ω) | 5.13 | | Vas (lt/ft3) | 54.5/1.92 | | BI (Tm) | 13.20 | | Cms (mm/N) | 0.14 | | Rms (kg/s) | 2.76 | | Le (mH) | | Mounting Information | Overall diameter (mm/in) | 309/12.17 | | Overall depth (mm/in) | 130/5.12 | | Cut-out diameter (mm/in) | 283/11.14 | | Mounting slot dimensions (mm/in) | Ø 7.9/0.31 | | Number of mounting slots | 4 | | Mounting slot PCD range (mm/in) | 297/11.69 | | Unit weight (kg/lb) | 4.1/9.0 | Packed Dimensions and Weight | Single pack size W x D x H (mm/in) | 330 x 330 x 150/13.0 x 13.0 x 5.9 | | Single pack weight (kg/lb) | 3/6.6 | | Multipack (60) size W x D x H (mm/in) | 1080 x 980 x 880/42.5 x 38.6 x 34.6 | | Multipack (60) weight (kg/lb) | 190/419 |
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Originally created as a higher-power handling variant of the G12M Greenback, the G12-65 is widely regarded as one of the best speakers ever produced for use in a 4x12 cabinet.
With its fast attack and tightly controlled low-end, the G12-65 became a firm favourite in the ʼ80s with hard rock players. The precisely tuned midrange and crisp defined top-end contribute to an aggressive crunch sound that punches through the mix while the mid-range warmth and detail give weight and depth to single notes.
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| Nominal diameter | 12“, 305mm | | Power Rating | 65W | | Nominal impedance | 8Ω and 15Ω | | Sensitivity | 97dB | | Chassis type | Pressed steel | | Voice coil diameter | 1.75“, 44.5mm | | Voice coil material | Rounded copper | | Magnet type | Ceramic | | Magnet weight | 35oz, 0.99kg | | Frequency range | 80-5000Hz | | Resonance frequency, Fs | 85Hz | | DC resistance, Re | 6.9Ω & 11.8Ω | | Mounting Information | | Diameter | 12.2“, 309mm | | Overall depth | 5.0“, 128mm | | Magnet structure diameter | 5.7“, 145mm | | Cut-out diameter | 11.1“, 283mm | | Mounting slot dimensions | 0.31“, 7.9mm Ø | | Number of mounting slots | 4 | | Mounting slot PCD | 11.7“, 297mm | | Unit weight | 12.1lb, 5.5kg |
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